TSP:                                     872670161                                                                                                                                                                                                       
 TSP Name:                                ENABLE GAS TRANSMISSION, LLC                                                                                                                                                                                    
 Critical Notice Description:             Critical notice                                                                                                                                                                                                 
 Notice Effective Date:                   09/15/2026                                                                                                                                                                                                      
 Notice Effective Time:                   09:00                                                                                                                                                                                                           
 Notice End Date:                         09/17/2026                                                                                                                                                                                                      
 Notice End Time:                         09:00                                                                                                                                                                                                           
 Notice Identifier:                       6504                                                                                                                                                                                                            
 Notice Status Description:               Initiate                                                                                                                                                                                                        
 Notice Type:                             Maintenance                                                                                                                                                                                                     
 Posting Date/Time:                       08/12/2026 14:42                                                                                                                                                                                                
 Required Response Indicator Description: No response required                                                                                                                                                                                            
 Response Date:                                                                                                                                                                                                                                           
 Response Time:                                                                                                                                                                                                                                           
 Subject:                                 PLANNED BYARS MAINTENANCE                                                                                                                                                                                       
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 Notice Text:                                                                                                                                                                                                                                             
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
 This Operational Alert is being issued pursuant to Section 20, GT&C, of EGT s Tariff to notify                                                                                                                                                           
 shippers of maintenance at EGT s Byars Lake Compressor Station located in McClain County,                                                                                                                                                                
 Oklahoma and in EGT s West-2 Pooling Area.  The maintenance will begin Tuesday, September                                                                                                                                                                
 15th, 2026, and is anticipated to be completed by 9:00 a.m. on Thursday, September 17th,                                                                                                                                                                 
 2026.                                                                                                                                                                                                                                                    
 Primary firm services nominated through Byars Lake Compressor Station will be scheduled to                                                                                                                                                               
 approximately 80-90% of MRO quantities during the outage.                                                                                                                                                                                                
 Unforeseen issues, including, but not limited to, nominations, weather conditions, storage                                                                                                                                                               
 needs, etc., may result in scheduling reductions.  In the event that unforeseen issues do occur,                                                                                                                                                         
 EGT will evaluate nominations, on a case-by-case basis, based on daily operations to alleviate                                                                                                                                                           
 impacts to the extent possible.  During this planned maintenance, shippers should nominate                                                                                                                                                               
 from their contractual MRO location to reduce risk of scheduling reductions.  Should any of the                                                                                                                                                          
 details of this posting change, EGT will notify its shippers and update this notice accordingly.                                                                                                                                                         
 EGT will schedule nominations, if needed, on each impacted day in accordance with its tariff.                                                                                                                                                            
 This alert will remain in effect until the completion of the maintenance.                                                                                                                                                                                
 If you have any questions concerning this alert, please contact your Scheduling Representative.                                                                                                                                                          
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